That Demonic Teacher Will Be My Sister? Vol 3

In this lively continuation, a boy's excitement at gaining an older sister turns into a whirlwind of surprises and challenges. As he navigates the complexities of family dynamics after his father's remarriage, he soon discovers that his new sister is not your typical guardian. With a twist that defies expectations, she brings an aura of mystery and chaos into his life that he could never have anticipated.

Amidst the ups and downs of sibling rivalry and unexpected adventures, he must learn to adapt to her otherworldly nature. Their bond becomes forged through laughter, tension, and the unearthing of secrets that challenge everything he thought he knew about family.